diff options
| author | David S. Miller <davem@davemloft.net> | 2008-07-08 23:01:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-08 23:01:52 -0700 |
| commit | c2aa288548a29d909ec875e81137fb0dbbb420b7 (patch) | |
| tree | 63c27c1ad0e2800ebb3ce948c1adccff584e5d96 | |
| parent | 052979499c767268b912d25031ae524c451679d0 (diff) | |
| download | linux-next-c2aa288548a29d909ec875e81137fb0dbbb420b7.tar.gz | |
mac80211: Decrease number of explicit ->tx_queue references.
Accomplish this by using local variables.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/mac80211/main.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 12aeaf78ae75..2968baa66b91 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -570,6 +570,7 @@ static int ieee80211_stop(struct net_device *dev) int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) { struct ieee80211_local *local = hw_to_local(hw); + struct netdev_queue *txq; struct sta_info *sta; struct ieee80211_sub_if_data *sdata; u16 start_seq_num = 0; @@ -636,7 +637,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) /* ensure that TX flow won't interrupt us * until the end of the call to requeue function */ - spin_lock_bh(&local->mdev->tx_queue.lock); + txq = &local->mdev->tx_queue; + spin_lock_bh(&txq->lock); /* create a new queue for this aggregation */ ret = ieee80211_ht_agg_queue_add(local, sta, tid); @@ -675,7 +677,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) /* Will put all the packets in the new SW queue */ ieee80211_requeue(local, ieee802_1d_to_ac[tid]); - spin_unlock_bh(&local->mdev->tx_queue.lock); + spin_unlock_bh(&txq->lock); spin_unlock_bh(&sta->lock); /* send an addBA request */ @@ -701,7 +703,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) err_unlock_queue: kfree(sta->ampdu_mlme.tid_tx[tid]); sta->ampdu_mlme.tid_tx[tid] = NULL; - spin_unlock_bh(&local->mdev->tx_queue.lock); + spin_unlock_bh(&txq->lock); ret = -EBUSY; err_unlock_sta: spin_unlock_bh(&sta->lock); @@ -826,6 +828,7 @@ EXPORT_SYMBOL(ieee80211_start_tx_ba_cb); void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid) { struct ieee80211_local *local = hw_to_local(hw); + struct netdev_queue *txq; struct sta_info *sta; u8 *state; int agg_queue; @@ -875,10 +878,11 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid) /* avoid ordering issues: we are the only one that can modify * the content of the qdiscs */ - spin_lock_bh(&local->mdev->tx_queue.lock); + txq = &local->mdev->tx_queue; + spin_lock_bh(&txq->lock); /* remove the queue for this aggregation */ ieee80211_ht_agg_queue_remove(local, sta, tid, 1); - spin_unlock_bh(&local->mdev->tx_queue.lock); + spin_unlock_bh(&txq->lock); /* we just requeued the all the frames that were in the removed * queue, and since we might miss a softirq we do netif_schedule. |